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Cheap flights from London to Rennes from £35

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Rennes departing on 7/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap return flights

easyJet Logo
13:25 - 15:40LGW-RNS
1h 15mdirect
easyJet Logo
16:15 - 16:30RNS-LGW
1h 15mdirect
£77easyJet
Find Deal
Mon, 1 Sep - Wed, 10 Sep
easyJet Logo
10:40 - 12:55LGW-RNS
1h 15mdirect
easyJet Logo
13:30 - 13:45RNS-LGW
1h 15mdirect
£80easyJet
Find Deal
Sat, 13 Sep - Sat, 20 Sep
easyJet Logo
10:40 - 12:55LGW-RNS
1h 15mdirect
easyJet Logo
13:30 - 13:45RNS-LGW
1h 15mdirect
£81easyJet
Find Deal
Sat, 13 Sep - Sat, 20 Sep
easyJet Logo
13:25 - 15:40LGW-RNS
1h 15mdirect
easyJet Logo
16:10 - 16:25RNS-LGW
1h 15mdirect
£82easyJet
Find Deal
Wed, 8 Oct - Sun, 12 Oct
Logo
07:40 - 17:00LGW-RNS
8h 20m1 stop
Logo
13:30 - 13:45RNS-LGW
1h 15mdirect
£125
Find Deal
Thu, 25 Sep - Sat, 27 Sep
Logo
07:40 - 17:00LGW-RNS
8h 20m1 stop
Logo
16:15 - 16:30RNS-LGW
1h 15mdirect
£127
Find Deal
Thu, 25 Sep - Wed, 1 Oct
KLM Logo
20:55 - 10:45LHR-RNS
12h 50m1 stop
KLM Logo
17:50 - 20:55RNS-LHR
4h 05m1 stop
£199KLM
Find Deal
Fri, 15 Aug - Tue, 19 Aug
KLM Logo
08:40 - 16:00LHR-RNS
6h 20m1 stop
KLM Logo
17:00 - 20:55RNS-LHR
4h 55m1 stop
£209KLM
Find Deal
Wed, 8 Oct - Sun, 12 Oct
Air France Logo
06:15 - 11:05LHR-RNS
3h 50m1 stop
Air France Logo
06:30 - 18:35RNS-LHR
13h 05m2 stops
£215Air France
Find Deal
Thu, 11 Sep - Thu, 18 Sep
Air France Logo
06:15 - 11:05LHR-RNS
3h 50m1 stop
Air France Logo
11:45 - 18:35RNS-LHR
7h 50m1 stop
£225Air France
Find Deal
Tue, 19 Aug - Fri, 22 Aug

KLM flights from London to Rennes

Our best KLM deals on London to Rennes flight tickets
KLM
15 Aug
LHR20:55London Heathrow
12h 50m
1 stop
RNS10:45Rennes St Jacques
19 Aug
RNS17:50Rennes St Jacques
4h 05m
1 stop
LHR20:55London Heathrow
£199
Find similar
KLM
8 Oct
LHR08:40London Heathrow
6h 20m
1 stop
RNS16:00Rennes St Jacques
12 Oct
RNS17:00Rennes St Jacques
4h 55m
1 stop
LHR20:55London Heathrow
£209
Find similar
KLM
26 Oct
LHR06:30London Heathrow
9h 30m
1 stop
RNS17:00Rennes St Jacques
28 Oct
RNS17:35Rennes St Jacques
4h 15m
1 stop
LHR20:50London Heathrow
£210
Find similar

Air France flights from London to Rennes

Our best Air France deals on London to Rennes flight tickets
Air France
11 Sept
LHR06:15London Heathrow
3h 50m
1 stop
RNS11:05Rennes St Jacques
18 Sept
RNS06:30Rennes St Jacques
13h 05m
2 stops
LHR18:35London Heathrow
£215
Find similar
Air France
19 Aug
LHR06:15London Heathrow
3h 50m
1 stop
RNS11:05Rennes St Jacques
22 Aug
RNS11:45Rennes St Jacques
7h 50m
1 stop
LHR18:35London Heathrow
£225
Find similar
Air France
30 Aug
LHR19:45London Heathrow
14h 20m
1 stop
RNS11:05Rennes St Jacques
6 Sept
RNS10:55Rennes St Jacques
3h 50m
1 stop
LHR13:45London Heathrow
£234
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London to Rennes that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 30 July 2025.
Use the filters below to find and compare flights from London to Rennes that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Mon 1/9

13:25-15:40

Nonstop1h 15m

Rennes St Jacques

Wed 10/9

16:15-16:30

Nonstop1h 15m

£77

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Sat 13/9

10:40-12:55

Nonstop1h 15m

Rennes St Jacques

Sat 20/9

13:30-13:45

Nonstop1h 15m

£80

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Sat 13/9

10:40-12:55

Nonstop1h 15m

Rennes St Jacques

Sat 20/9

13:30-13:45

Nonstop1h 15m

£81

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Wed 8/10

13:25-15:40

Nonstop1h 15m

Rennes St Jacques

Sun 12/10

16:10-16:25

Nonstop1h 15m

£82

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Thu 25/9

07:40-17:00

1 stop8h 20m

Rennes St Jacques

Sat 27/9

13:30-13:45

Nonstop1h 15m

£125

LondonRennes

LGW - RNS

LGWRNS

London Gatwick

Thu 25/9

07:40-17:00

1 stop8h 20m

Rennes St Jacques

Wed 1/10

16:15-16:30

Nonstop1h 15m

£127

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Fri 15/8

20:55-10:45

1 stop12h 50m

Rennes St Jacques

Tue 19/8

17:50-20:55

1 stop4h 05m

£199

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Wed 8/10

08:40-16:00

1 stop6h 20m

Rennes St Jacques

Sun 12/10

17:00-20:55

1 stop4h 55m

£209

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Thu 11/9

06:15-11:05

1 stop3h 50m

Rennes St Jacques

Thu 18/9

06:30-18:35

2 stops13h 05m

£215

LondonRennes

LHR - RNS

LHRRNS

London Heathrow

Tue 19/8

06:15-11:05

1 stop3h 50m

Rennes St Jacques

Fri 22/8

11:45-18:35

1 stop7h 50m

£225

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Rennes from

How to get the cheapest flight ticket from London to Rennes

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Rennes?

The cheapest month to fly to Rennes from London is in March. Flight prices, which tend to average around £70, are often lower during this time because this is during the off-season. If you don’t want to visit Rennes in March, then you should wait until September to fly from London, when ticket prices are also cheap, with an average price of £79.

What is the cheapest day to depart on your flight to Rennes?

Our data shows that Wednesday is the least expensive day to fly to Rennes. Tickets to fly out on this day can be as low as £117. Flights from London to Rennes on a Tuesday will generally be more expensive and average around £181. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Rennes?

According to our data, the cheapest time of day to fly to Rennes is in the afternoon. momondo users have found flights departing from London to Rennes in the afternoon for as low as £104. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Rennes is in the evening when prices are around £152.

What is the cheapest London to Rennes St Jacques flight route?

Fly from London Gatwick to Rennes St Jacques for the best London - Rennes St Jacques flight prices

What cabin class options are available on London to Rennes St Jacques flights?

There are 1 cabin classes available to choose from on London to Rennes St Jacques flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London to Rennes flight prices changed over time?

As of July 2025, prices for London to Rennes flights are approximately 63% more expensive when compared to flights at the same time last year.

When to book flights from London to Rennes

Are you open to changing your travel dates? Check out the ideal times to fly from London to Rennes according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Rennes (LON to RNS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Rennes

Best price found

£35

Fastest flight time

1h 15m

Direct flights

Mon, Tue, Thu, Sat and Sun

Airports in Rennes

1 airport
The best one-way flight to Rennes from London in the past 72 hours is £35. The best return flight deal from London to Rennes found on momondo in the last 72 hours is £77.
The fastest flight from London to Rennes takes 1h 15m
Direct flights go from London to Rennes on Monday, Tuesday, Thursday, Saturday and Sunday. Airline offering direct flights is easyJet..
There is 1 airport near Rennes: Rennes St Jacques (RNS)
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  • How far is London to Rennes St Jacques by plane?

    The distance between London and Rennes St Jacques is about 243.8 mi. Typically, this will take 1h 15m by plane in normal conditions.

  • When did momondo last update prices for flights from London to Rennes St Jacques Airport?

    Prices for flights from London to Rennes St Jacques Airport were last updated today.

  • How many operators does momondo search for flights from London to Rennes St Jacques Airport?

  • How old do you have to be to fly from London to Rennes St Jacques Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Rennes St Jacques Airport.

  • What documentation or ID do you need to fly to Rennes St Jacques Airport?

    The necessary travel and health documents for your Rennes St Jacques Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Rennes?

  • What is the most popular airline from London to Rennes?

Best airlines flying from London to Rennes

Compare and see reviews for airlines that fly from London to Rennes with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £53Free CancellationRating
6.9
1,822 reviews
Search easyJet flights

  • easyJet Flights From London to Rennes

    easyJet operates around 3 flights from London to Rennes every week. The average price of these flights found in the last 72 hours has been £195, but momondo users have found easyJet deals from London to Rennes from as low as £71 round-trip. easyJet has been scored 6.9/10 in 1,822 reviews.

Why use momondo?

Why should I use momondo to find a flight deal from London to Rennes?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Rennes . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Rennes with flexible booking policies on momondo?

momondo does allow users to show only those flights to Rennes from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Rennes?

Once you have performed a search for London to Rennes flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Rennes right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Rennes now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Rennes and let you know when they change.

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